asn1parser

package

v1.0.4 Latest Latest Go to latest Published: Dec 5, 2023 License: MIT Imports: 11 Imported by: 0

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Repository

github.com/gr33nbl00d/caddy-revocation-validator

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Documentation ¶

Index ¶

func CalculateWholeTLVLength(tagLength TagLength) int
func ExpectLengthNotGreater(expectedLength *big.Int, length *big.Int) error
func ExpectTag(expectedTag asn1crypto.Tag, tag asn1crypto.Tag) error
func GetContextSpecificTagId(tagLength *TagLength) int
func IsContextSpecificTag(tagLength *TagLength) bool
func IsContextSpecificTagWithId(tagId int, tagLength *TagLength) bool
func ParseIssuerRDNSequence(cert *x509.Certificate) (*pkix.RDNSequence, error)
func ParseOctetString(reader Asn1Reader) (ret []byte, err error)
func ParseRDNSequence(rdnData []byte) (*pkix.RDNSequence, error)
func ParseSubjectRDNSequence(cert *x509.Certificate) (*pkix.RDNSequence, error)
func ParseUTCTime(bytes []byte) (*time.Time, error)
func PeekExpectedBigInt(reader Asn1Reader, sizeOfLength int, offset int) (*big.Int, error)
func PeekExpectedBytes(reader Asn1Reader, byteSize int, offset int) ([]byte, error)
func PeekTag(reader Asn1Reader, offset int) (*asn1crypto.Tag, error)
func PeekUint8(reader Asn1Reader, offset int) (uint8, error)
func ReadBigInt(reader Asn1Reader) (*big.Int, error)
func ReadExpectedBigInt(reader Asn1Reader, sizeOfLength int) (*big.Int, error)
func ReadExpectedBytes(reader Asn1Reader, byteSize int) ([]byte, error)
func ReadExpectedBytesRecursive(reader Asn1Reader, byteSize int, byteArray *[]byte, currentPosition int) error
func ReadStruct(reader Asn1Reader, value interface{}) error
func ReadTVLBytesWithLimit(reader Asn1Reader, tagLength TagLength, maxLength int64) ([]byte, error)
func ReadTag(reader Asn1Reader) (*asn1crypto.Tag, error)
func ReadUint8(reader Asn1Reader) (uint8, error)
func ReadUtcTime(reader Asn1Reader) (*time.Time, error)
type Asn1Reader
type BitString
- func ParseBitString(reader Asn1Reader) (*BitString, error)
type Length
- func PeekLength(reader Asn1Reader, offset int) (*Length, error)
- func ReadLength(reader Asn1Reader) (*Length, error)
type TagLength
- func PeekTagLength(reader Asn1Reader, offset int) (*TagLength, error)
- func ReadTagLength(reader Asn1Reader) (*TagLength, error)
- func (l TagLength) CalculateTLLength() *big.Int
- func (l TagLength) CalculateTLVLength() *big.Int
- func (l TagLength) CalculateValueLength() *big.Int

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CalculateWholeTLVLength ¶

func CalculateWholeTLVLength(tagLength TagLength) int

func ExpectLengthNotGreater ¶

func ExpectLengthNotGreater(expectedLength *big.Int, length *big.Int) error

func ExpectTag ¶

func ExpectTag(expectedTag asn1crypto.Tag, tag asn1crypto.Tag) error

func GetContextSpecificTagId ¶

func GetContextSpecificTagId(tagLength *TagLength) int

func IsContextSpecificTag ¶

func IsContextSpecificTag(tagLength *TagLength) bool

func IsContextSpecificTagWithId ¶

func IsContextSpecificTagWithId(tagId int, tagLength *TagLength) bool

func ParseIssuerRDNSequence ¶

func ParseIssuerRDNSequence(cert *x509.Certificate) (*pkix.RDNSequence, error)

func ParseOctetString ¶

func ParseOctetString(reader Asn1Reader) (ret []byte, err error)

func ParseRDNSequence ¶

func ParseRDNSequence(rdnData []byte) (*pkix.RDNSequence, error)

func ParseSubjectRDNSequence ¶

func ParseSubjectRDNSequence(cert *x509.Certificate) (*pkix.RDNSequence, error)

func ParseUTCTime ¶

func ParseUTCTime(bytes []byte) (*time.Time, error)

func PeekExpectedBigInt ¶

func PeekExpectedBigInt(reader Asn1Reader, sizeOfLength int, offset int) (*big.Int, error)

func PeekExpectedBytes ¶

func PeekExpectedBytes(reader Asn1Reader, byteSize int, offset int) ([]byte, error)

func PeekTag ¶

func PeekTag(reader Asn1Reader, offset int) (*asn1crypto.Tag, error)

func PeekUint8 ¶

func PeekUint8(reader Asn1Reader, offset int) (uint8, error)

func ReadBigInt ¶

func ReadBigInt(reader Asn1Reader) (*big.Int, error)

func ReadExpectedBigInt ¶

func ReadExpectedBigInt(reader Asn1Reader, sizeOfLength int) (*big.Int, error)

func ReadExpectedBytes ¶

func ReadExpectedBytes(reader Asn1Reader, byteSize int) ([]byte, error)

func ReadExpectedBytesRecursive ¶

func ReadExpectedBytesRecursive(reader Asn1Reader, byteSize int, byteArray *[]byte, currentPosition int) error

func ReadStruct ¶

func ReadStruct(reader Asn1Reader, value interface{}) error

func ReadTVLBytesWithLimit ¶

func ReadTVLBytesWithLimit(reader Asn1Reader, tagLength TagLength, maxLength int64) ([]byte, error)

func ReadTag ¶

func ReadTag(reader Asn1Reader) (*asn1crypto.Tag, error)

func ReadUint8 ¶

func ReadUint8(reader Asn1Reader) (uint8, error)

func ReadUtcTime ¶

func ReadUtcTime(reader Asn1Reader) (*time.Time, error)

Types ¶

type Asn1Reader ¶

type Asn1Reader interface {
	Read(p []byte) (int, error)
	Peek(n int) ([]byte, error)
}

type BitString ¶

type BitString struct {
	Bytes     []byte // bits packed into bytes.
	BitLength int    // length in bits.
}

func ParseBitString ¶

func ParseBitString(reader Asn1Reader) (*BitString, error)

type Length ¶

type Length struct {
	Length     big.Int //number of bytes the value has
	LengthSize int     //number of bytes the length has
}

func PeekLength ¶

func PeekLength(reader Asn1Reader, offset int) (*Length, error)

func ReadLength ¶

func ReadLength(reader Asn1Reader) (*Length, error)

type TagLength ¶

type TagLength struct {
	Tag    asn1crypto.Tag
	Length Length
}

func PeekTagLength ¶

func PeekTagLength(reader Asn1Reader, offset int) (*TagLength, error)

func ReadTagLength ¶

func ReadTagLength(reader Asn1Reader) (*TagLength, error)

func (TagLength) CalculateTLLength ¶

func (l TagLength) CalculateTLLength() *big.Int

Complete length in byte of length of the value

func (TagLength) CalculateTLVLength ¶

func (l TagLength) CalculateTLVLength() *big.Int

Complete length in byte of the tlv record

func (TagLength) CalculateValueLength ¶

func (l TagLength) CalculateValueLength() *big.Int

Complete length in byte of value

Source Files ¶

View all Source files

asn1parser.go

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